Double Beam UV-Vis Spectrophotometer US-B11

The US-B11 Double Beam UV-Vis Spectrophotometer is a compact tabletop device with a wide screen, offering enhanced usability. It features a double beam design with a long light path, covering a wavelength range from 190 to 1100 nm, facilitated by a 1200 L/mm grating. Automatic calibration of baseline, wavelength, and dark current ensures precise measurements. Its sturdy 16 mm die-cast aluminum base serves as a reliable optical mount. With a 6-inch LCD display and standard software complemented by a USB interface, this spectrophotometer allows for seamless operation and direct access to multiple functions, displaying test results curves and data efficiently. The unique 520 mm long light path ensures exceptional resolution, stability, and reliability in analytical performance.

Wavelength range190 to 1100 nm
Spectral bandwidth1.8 nm
Optical systemDouble beam; 1200 lines/mm grating
Wavelength accuracy±0.1nm (D2 656.1nm), ±0.3nm @ all
Wavelength repeatability0.2 nm
Photometric range-0.3 to 3 A; 0 to 200% T; 0 to 9999 C
Photometric accuracy±0.2% T (0 to 100% T)
Photometric repeatability≤0.1% T (0 to 100% T)
Noise± 0.0005 A/h
Light sourceTungsten lamp, Deuterium lamp
Stray light≤0.03% T @ 220 nm,360 nm
Stability± 0.001 A/h @ 500nm
Display320×240 Dots (6 inches) LCD display
Baseline Flatness±0.001A/h
DetectorSilicon photodiode
FunctionSpectrum scanning, Standard curve, Kinetics, Multi wavelength scanning, DNA/Protein testing
PrinterParallel port
PC softwareYes
Power supplyAC 220 V/110 V,50/60 Hz
Dimensions (W×D×H)625×430×206 mm
Weight30 kg

  • Wide screen double beam spectrophotometer
  • Unique double beam design with a 520 mm long light path
  • Wavelength range from 190 to 1100 nm with a 1200 L/mm grating
  • Automatic calibration of baseline, wavelength, and dark current
  • Rigid 16 mm die-cast aluminum base serving as the optical mount
  • 6-inch LCD display, standard software, and USB interface
  • Direct operation to multiple functions including spectrum scanning, standard curve analysis, kinetics studies, multi-wavelength scanning, and DNA/Protein testing
  • Utilizes Tungsten and Deuterium lamps as light sources
  • Ensures great resolution with stability and reliability

In clinical and research laboratories, Double Beam UV-Visible Spectrophotometers serve as indispensable tools for a wide array of applications. They enable the analysis of band gaps, optical coatings, and thin films, facilitate quantitative analyses, kinetics studies, and wavelength scanning. Moreover, these spectrophotometers play a crucial role in DNA and protein analysis, contributing significantly to advancing scientific understanding and diagnostic capabilities in both clinical and research settings.


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